.bg{
    border-top: 1px solid transparent;
    height: 500px;
    background: url(../images/zhu1.jpg) no-repeat;
    background-size: 1200px 500px;
}
.hn_and_qf{
    margin: 50px auto;   
    border-top: 1px solid transparent;
    width: 900px;
    height: 400px;
    background-color: white;
}
.hn_and_qf h2{
    font-size: 20px;
    margin: 30px 0 40px 0;
    text-align: center;
}
form{
    border-top: 1px solid transparent;
    width: 800px;
    margin: 0 auto;
}
form p input{
    width: 300px;
    height: 40px;
    border-radius: 0;
    border: 1px solid rgb(237, 237, 237);
    background-color: rgb(245, 245, 245);
}
form p{
    float: left;
    margin-left: 62px;
    line-height: 30px;
}
form p:nth-child(n+3){
    margin-top: 10px;
}
form>input{
    cursor: pointer;
    width: 662px;
    height: 40px;
    color: white;
    margin: 15px 0 0 62px;
    border-radius: 0;
    border: none;
    background-color: rgb(0, 174, 105);
}